add subtract surds

Adding and Subtracting Surd

By the end of this unit, students will be able to:understand the concept of surds and their significance in mathematics;simplify and perform operations with surds,…
Target Age:

Lesson Overview

By the end of this unit, students will be able to:

  1. understand the concept of surds and their significance in mathematics;
  2. simplify and perform operations with surds, including addition, subtraction;
  3. apply surds in algebraic manipulations and geometric calculations.

Curriculum Alignment: Key Stage 4: Number

  • calculate exactly with fractions, {surds} and multiples of π {simplify surd expressions involving squares [for example √12 = √(4 × 3) = √4 × √3 = 2√3] and rationalise denominators}
Last updated on: February 20, 2026

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